Casa Blanca, AZ has a population of 1,042 and is the 14,891st largest city in the United States. The population density is 66 per sq mi which is 15% higher than the Arizona average and 27% lower than the national average. The median age in Casa Blanca is 36 which is approximately 4% lower than the Arizona average of 37. In Casa Blanca, 33% of the population over 15 years of age are married, 84% speak English and 6% speak Spanish. 89% of Casa Blanca residents were born in Arizona, 10% were born out of state, 0% were born outside of the United States and 1% were foreign born.